Rhode Island Grease Trap Regulations
FOG Compliance Overview
Rhode Island follows the International Plumbing Code (IPC) as its base plumbing code. The IPC requires grease interceptors for food service establishments and references sizing based on fixture unit counts and flow rates. The state's regulatory authority is the Rhode Island Department of Environmental Management (DEM).
With approximately 3,046 food service establishments statewide, Rhode Island has significant FOG compliance needs. Individual cities and municipalities may adopt additional local ordinances that go beyond the state plumbing code, including stricter pumping schedules, permit requirements, and enforcement penalties.
Need a grease trap in Rhode Island?
Our free calculator uses IPC code requirements to recommend the right size for your establishment.
Size My Grease TrapCity Regulations in Rhode Island
| City | Pumping Frequency | Permit | 25% Rule |
|---|---|---|---|
| Providence | See details | — | — |
Frequently Asked Questions
What plumbing code does Rhode Island follow for grease traps?
Rhode Island follows the International Plumbing Code (IPC). The IPC requires grease interceptors for food service establishments and sizes them based on fixture unit counts and flow rates. Individual cities may adopt stricter local ordinances.
How many food service establishments are in Rhode Island?
Rhode Island has approximately 3,046 food service establishments according to Census Bureau County Business Patterns data. We currently cover detailed FOG regulations for 1 cities in the state.
What size grease trap do I need in Rhode Island?
Grease trap sizing in Rhode Island depends on your establishment's flow rate, number of fixtures, and local code requirements under the IPC. Use our free sizing calculator for a recommendation tailored to your setup.
Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.